diff --git a/modelscope/preprocessors/nlp/nlp_base.py b/modelscope/preprocessors/nlp/nlp_base.py
index 6b559de9..a9be0cb0 100644
--- a/modelscope/preprocessors/nlp/nlp_base.py
+++ b/modelscope/preprocessors/nlp/nlp_base.py
@@ -417,14 +417,12 @@ class Text2TextGenerationPreprocessor(NLPTokenizerPreprocessorBase):
                  tokenizer=None,
                  mode=ModeKeys.INFERENCE,
                  **kwargs):
-        self.tokenizer = self.build_tokenizer(
-            model_dir) if tokenizer is None else tokenizer
         kwargs['truncation'] = kwargs.get('truncation', 'do_not_truncate')
         kwargs['padding'] = kwargs.get('padding', False)
         kwargs['return_token_type_ids'] = kwargs.get('return_token_type_ids',
                                                      False)
         kwargs['max_length'] = kwargs.pop('sequence_length', 128)
-        super().__init__(model_dir, pair=False, mode=mode, **kwargs)
+        super().__init__(model_dir, mode=mode, **kwargs)
 
     def __call__(self, data: Union[Dict, str]) -> Dict[str, Any]:
         text_a, _, _ = self.parse_text_and_label(data)
diff --git a/tests/pipelines/test_text2text_generation.py b/tests/pipelines/test_text2text_generation.py
index a39562f5..2506547e 100644
--- a/tests/pipelines/test_text2text_generation.py
+++ b/tests/pipelines/test_text2text_generation.py
@@ -18,7 +18,7 @@ class Text2TextGenerationTest(unittest.TestCase, DemoCompatibilityCheck):
         self.model_id = 'damo/t5-cn-base-test'
         self.input = '中国的首都位于<extra_id_0>。'
 
-    @unittest.skipUnless(test_level() >= 2, 'skip test in current test level')
+    @unittest.skipUnless(test_level() >= 1, 'skip test in current test level')
     def test_run_T5(self):
         cache_path = snapshot_download(self.model_id)
         model = T5ForConditionalGeneration(cache_path)
@@ -40,7 +40,7 @@ class Text2TextGenerationTest(unittest.TestCase, DemoCompatibilityCheck):
             preprocessor=preprocessor)
         print(pipeline_ins(self.input))
 
-    @unittest.skipUnless(test_level() >= 2, 'skip test in current test level')
+    @unittest.skipUnless(test_level() >= 0, 'skip test in current test level')
     def test_run_pipeline_with_model_id(self):
         pipeline_ins = pipeline(
             task=Tasks.text2text_generation, model=self.model_id)